Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN
2011 April 07 14:32:41 UTC
* Thursday, April 07, 2011 at 14:32:41 UTC
* Thursday, April 07, 2011 at 11:32:41 PM at epicenter
Location 38.253°N, 141.640°E
Depth 25.6 km (15.9 miles)
Region NEAR THE EAST COAST OF HONSHU, JAPAN
* 66 km (41 miles) E (90°) from Sendai, Honshu, Japan
* 118 km (73 miles) ENE (60°) from Fukushima, Honshu, Japan
* 147 km (91 miles) NNE (26°) from Iwaki, Honshu, Japan
* 333 km (207 miles) NNE (30°) from TOKYO, Japan
Location Uncertainty horizontal +/- 13.1 km (8.1 miles); depth +/- 7.2 km (4.5 miles)
Parameters NST=426, Nph=427, Dmin=358.4 km, Rmss=0.75 sec, Gp= 32°,
M-type=regional moment magnitude (Mw), Version=B
* U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver
Re: Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN
the deceased Miyagi pref
79 years old man died of shock
85 years old man died of shock
74 years old woman fell off 3F
84 years old woman died
63 years old woman died of oxygen inhaler stopped caused by power cut
Miyagi pref: 93 persons
Iwate pref: 13 persons
Yamagata pref: 11 persons
Fukushima pref: 9 persons
Akita pref: 6 persons
Aomori pref: 9 persons
nuclear plant Onagawa plant quake acceleration: 476.3 gal
after quake: Oshika 1 line, Matsushima 1 line and Tsukahama feederline fallen, Oshika 1 line is working
now: Oshika 2 lines, Matsushima 1 line and Tsukahama 1 feederline restored
water leak from fuel pool: 2.3 L
water leak from fuel pool: 3.8 L
water leak at auxiliary boiler room: 0.5 L
gallery rooms for visitors: window glass cracked
starting transformer cooler: oil leak
water leak from fuel pool: 1.8 L
water leak at low pressure reactor core spraypump room: 0.05 L
water leak at concentrated liquid waste pump room: 1.0 L
water leak around turbine component cooling water and heat exchanger: 2.3 L
turbine building: blowout panel come off
waste storage bunker building
water leak: 2.0 L
Higashidori plant during periodic inspection, quake acceleration: 8 gal
after quake: Mutsu 2 lines fallen, emergency diesel power source is working
now: Tohokushiramuka 1 line, emergency diesel power source fallen
reprocessing plant Rokkasho reprocessing plant
after quake: external power source fallen, emergency diesel power source is working
now: external power source restored at 09:44 AM, external power source and emergency diesel power source are working
thermal power station
Hachinohe thermal power station: unit 3 restarted
Noshiro thermal power station: units 1 and 2 restarted
Akita thermal power station: units 2, 3 and 4 restarted
Sendai thermal power station: unit 4 stopped
Shin-Sendai thermal power station: units 1 and 2 stopped
Haramachi thermal power station: units 1 and 2 stopped
geothermal power plant
Kakkonda plant: units 1 and 2 restarted
Suminaka plant: unit 1 restarted
hydraulic power plant
6 facilities damaged
5 facilities restored
*includes 3/11 quake case
part of Iwate pref
part of Miyazaki
part of Fukushima pref restored
3 houses burned down
lot of case
Tome city(Miyagi pref)
dead telephone line
part of Miyagi pref
Ichinoseki sta - Shinaomori sta: canceled
Yamagata shinkansen: all canceled 4/8
Akita shinkansen: all canceled 4/8
Re: Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN
TEPCO: Japan's Fukushima NPP Not Damaged by Powerful Earthquake
April 7, 2011, Thursday
The Tokyo Electric Power company has announced that the Fukushima Daiichi and Fukushima Daini nuclear power plants have not been damaged by 7.4-magnitude earthquake that hit Japan Thursday night.
The earthquake occurred at 11:32 pm local time, its epicenter was located 40 km off the east coast of Japan below the sea bed, Japanese state TV NHK reported.
A tsunami warning has been issued as a result of the new strong earthquake; a one-meter high tsunami is expected to hit the coast of northeastern Japan.
Japan's meteorological agency has urged evacuation of the coastal areas of the Miyagi prefecture.
The Tokyo Electric Power Company (TEPCO) has announced that the new earthquake has not affected the situation in the Fukushima Daiichi nuclear power plant, which was badly damaged by the March 11 earthquake ushering into one of the world's worst nuclear crises ever.All TEPCO workers from Fukushima Daiichi and Fukushima Daini have taken shelter, and are reported to be safe.
A spokesperson of TEPCO announced on NHK TV that the company is continuing its water injection of reactors 1, 2, and 3 at the Fukushima Daiichi NPP as well as the injection of nitrogen into reactor 1, which are part of its measures to contain the crisis situation caused by the March 11 earthquake.
The Onagawa NPP, however, has been affected as only one of the three power transmission lines of the plant remains functioning. According to the authorities, it is sufficient to maintain the operations on the spot. The three reactors at Onagawa were turned off after the March 11 earthquake.The Japan nuclear safety agency has announced that no radiation leaks have been detected.
A magnitude 7.4 quake occurred off the Miyagi coast, northeastern Japan late Thursday night.
The Meteorological Agency says the quake registered 6-plus on the Japanese seismic scale of 0 to 7 in Sendai and another place in Miyagi prefecture. It says an intensity of 6-minus was registered in wide areas of Miyagi and Iwate prefectures, and that the quake was felt in many regions across Japan......
The Tokyo Electric Power Company plans to resume operations to tackle safety issues at its crippled Fukushima Daiichi nuclear power plant following a powerful quake on Thursday night.
The utility company says an examination immediately after the latest quake showed no ill effects on the facilities and the operation to inject water into the Number 1, 2 and 3 reactors. Radiation monitors at the plant showed no change in readings.....
Two people were killed in a powerful earthquake that hit northeastern Japan on Thursday night. 132 others were injured.
The Fire and Disaster Management Agency says that in Obanazawa City, Yamagata Prefecture, a 63-year-old woman was found dead at her home on Friday morning. Fire officials suspect that her oxygen breathing apparatus stopped working when the power supply was cut off.....
Tohoku Electric Power Company says Thursday night's strong earthquake caused water to overflow from spent fuel storage pools at one of its nuclear power plants.
The power company reported on Friday that water had spilled onto the floor at all 3 reactors at the Onagawa nuclear power plant in Miyagi Prefecture. The amount of water spilled was 3.8 liters at the most.....
The Meteorological Agency has downgraded the magnitude of the powerful earthquake that struck northern Japan late Thursday night. The agency on Friday revised the magnitude of the quake from 7.4 to 7.1.....
TEPCO: Aftershock did not affect Fukushima efforts
The operator of the crippled Fukushima Daiichi nuclear power plant in northeastern Japan says the strong earthquake on Thursday night has not hampered the ongoing work to restore reactor cooling systems at the plant.....
Largest aftershock kills 3, unsettles quake survivors
*now: 4 killed
SENDAI (Kyodo) -- The strongest aftershock since last month's devastating earthquake that struck Miyagi Prefecture and elsewhere late Thursday night killed three people and left 141 others injured, police and hospital officials said Friday.......
March 11 quake accelerations beyond quakeproof standards at Onagawa
TOKYO (Kyodo) -- Earthquake acceleration levels at Tohoku Electric Power Co.'s Onagawa nuclear power plant in Miyagi Prefecture exceeded quakeproof standards when the March 11 devastating earthquake hit northeastern Japan, the regional power utility said Thursday.....
Radioactive water spilled at Onagawa nuclear plant in Miyagi
TOKYO (Kyodo) -- Radioactive water spilled from pools holding spent nuclear fuel rods at the Onagawa power plant in Miyagi Prefecture following the strong earthquake late Thursday, the nuclear safety agency said Friday.....
Thursday's major earthquake has forced nuclear power plants and related facilities in northern Japan to rely on emergency power after their electricity was cut off.
No major safety problems occurred, but people are calling on power companies to review their backup plans so that they can better deal with such contingencies......
A cooling system at the Higashidori nuclear power plant in Higashidorimura, Aomori Prefecture, stopped temporarily after a powerful aftershock struck northeastern Japan on Thursday night, plant operator Tohoku Electric Power Co. said Friday.
According to the company, two external power sources for the Higashidori plant, which was not operating at the time due to a regular inspection, were cut off as a result of outages throughout the prefecture following the aftershock. An emergency generator was used to supply power to the plant.....
7.1 Miyagi quake kills 2, injures more than 100 in Tohoku
now: kills 5
A magnitude-7.1 earthquake centered off the coast of Miyagi Prefecture rocked northeastern Japan on Thursday night, killing two people and injuring more than 100 in six prefectures and causing extensive blackouts in the Tohoku region, The Asahi Shimbun confirmed Friday.
The quake, which struck at 11:32 p.m., was the largest aftershock since the Great East Japan Earthquake on March 11. ...
Status of nuclear facilities after Thursday's strong aftershock
TOKYO (Kyodo) -- The following is the known status of nuclear power facilities as of Friday night following the aftershock that rattled Miyagi Prefecture and elsewhere late Thursday night, the strongest since the magnitude 9.0 earthquake on March 11.....
Major aftershock highlights fragility of nuclear power plants
A major aftershock that occurred off Miyagi Prefecture on April 7 greatly disrupted nuclear power facilities in northeast Japan, highlighting the risks that the earthquake-prone country faces in providing nuclear power.....
Re: Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011
Lessons from March 11 quake smooth response to aftershock
Despite shattered nerves and high stress in disaster-hit areas of northeastern Japan, the response to Thursday's huge aftershock was an encouraging sign that lessons have been learned from the Great East Japan Earthquake. ...
Death toll from aftershock in northeastern Japan rises to 5
SENDAI (Kyodo) -- An 84-year-old woman who was caught under furniture and a pillar in a house after a strong aftershock in northeastern Japan on Thursday has died, a hospital in Sendai said Saturday, bringing the death toll to five......
Re: Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011
We gave this seismic event its own thread because 7.4 is a high number. This may be an aftershock to the earthquake that occurred on March 11, but it had the strength of an earthquake. In addition, we did not know if this was going to result in much damage, or not. We felt the news would best be covered by putting this event on its own thread.
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